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| Number | Title | Issue Date |
| 8188965 | Temperature sensor for liquid crystal display device A temperature sensing apparatus for a liquid crystal display device is disclosed. The apparatus can measure the device temperature without the existence of a conventional PN junction. The temperature sensing apparatus comprises at least one thin-film transistor (TFT... | 05/29/2012 |
| 8169397 | Liquid crystal display device and driving method thereof A liquid crystal display (LCD) device and driving method for same is disclosed. The liquid crystal display device included: a plurality of pixel cells formed at pixel regions defined by crossings of a plurality of gate and data lines on a substrate, each pixel cell ... | 05/01/2012 |
| 8159448 | Temperature-compensation networks Temperature-compensation network embodiments are provided to generate compensation signals which may be useful in improving the performance of a variety of important systems. An embodiment includes a limit current mirror configured to provide a limit current, a curr... | 04/17/2012 |
| 8144105 | LCD with adaptive overdrive A LCD device includes a LCD module, a thermal sensor, an operating device and a frame memory. The operating device includes first and second comparators, one-dimensional first to fourth lookup tables and an operator. The LCD device further includes a selector/data-g... | 03/27/2012 |
| 8139018 | Liquid crystal display device and method for driving the same A method for driving a liquid crystal display device is provided. The liquid crystal display device includes a liquid crystal panel and a plurality of lamps. The method includes: sequentially driving the plurality of lamps to supply light to the liquid crystal panel... | 03/20/2012 |
| 8081154 | Ferroelectric liquid crystal device There is provided a liquid crystal comprising a liquid crystal panel with a memory effect (2) sandwiching liquid crystals of a memory effect, a driving circuit (10) outputs driving voltage for driving the liquid crystal panel with a memory effect (2... | 12/20/2011 |
| 8068086 | Gamma-reference-voltage generating circuit and apparatus for generating gamma-voltages and display device having the circuit A first resistor string provides a plurality of first polarity gamma-reference-voltages. A second resistor string provides a plurality of second polarity gamma-reference-voltages. A first main-thermal compensation section exhibits a resistance value that increases w... | 11/29/2011 |
| 8054282 | Field sequential color mode liquid crystal display device and method of driving the same A liquid crystal display device includes a temperature-sensing unit measuring at least one of a temperature of the liquid crystal display device and an ambient temperature of the liquid crystal display device, and outputting a frequency modulation signal correspondi... | 11/08/2011 |
| 7936334 | Display apparatus A displaying apparatus includes a signal input unit through which an analog image signal is input, an A/D converter to convert the analog image signal input through the signal input unit into a digital image signal according to a preset offset value thereof, a monit... | 05/03/2011 |
| 7872630 | Liquid crystal display A liquid crystal display of the present invention facilitates grayscale level transition from a previous frame to a current frame, in such a manner that a modulation driving process section reads out, from one look-up table, corrected image data corresponding to a c... | 01/18/2011 |
| 7859511 | DC-DC converter with temperature compensation circuit A DC-DC converter includes a temperature compensation circuit arranged between a feedback differential amplification circuit and an output voltage detection circuit to compensate the variation of the voltage level of the DC output voltage of the converter caused by ... | 12/28/2010 |
| 7834839 | Image display device and image display method An image display device for displaying an image on a display panel is provided. The image display device includes a temperature variation rate detecting unit that detects a temperature variation rate of the display panel; a driving condition setting unit that sets d... | 11/16/2010 |
| 7825889 | Field sequential mode liquid crystal display device and method of driving the same A temperature-compensating circuit for a liquid crystal display device includes a temperature-sensing unit that measures the temperature of the liquid crystal display device and the surrounding ambient temperature. The temperature-sensing unit outputs a gate voltage... | 11/02/2010 |
| 7821488 | Temperature-dependent overdrive circuit for LCD panel and method of implementing the same A circuit for overdriving an LCD panel according to an image data and a temperature, and the corresponding are disclosed. The circuit includes: a memory for storing a previous image data; a plurality of LUTs, each coupled to receive the previous image data from the ... | 10/26/2010 |
| 7804476 | Active matrix display device A display device comprising an array of pixels, with gates of thin film transistors of the pixels in a row connected to a row conductor. Row driver circuitry provides row address signals for controlling the switching of the transistors of the pixels of the row inclu... | 09/28/2010 |
| 7804477 | Image display apparatus and image display method An image display apparatus that displays an image on a display includes: a temperature measuring unit that measures temperatures of a plurality of display regions of the display; a determining unit that determines whether or not a temperature difference between one ... | 09/28/2010 |
| 7791583 | Flat panel display having overdrive function A method of operating a display includes deriving first pixel data for overdriving pixel circuits of the display from initial gray levels to target gray levels based on values in the first and second lookup tables, rendering the second lookup table unavailable in me... | 09/07/2010 |
| 7791584 | Thermal limited backlight driver A system for powering and controlling an LED backlight, the system comprising: a control circuitry; a plurality of LED strings; a pulse width modulation functionality associated with the control circuitry and arranged to pulse width modulate a current flow through e... | 09/07/2010 |
| 7764265 | Driving apparatus for display device and display device including the same and method of driving the same The present invention relates to a driving apparatus for a display device and a display device including the same, as well as a method of driving a display device. The driving apparatus for a display device including a plurality of pixels each with a switching eleme... | 07/27/2010 |
| 7755592 | Method and apparatus for driving liquid crystal display A method of driving a liquid crystal display in which frames having data values indicate the gray scale for liquid crystal in a display panel including the steps of determining a modulating data value for a first temperature interval within a temperature range, stor... | 07/13/2010 |
| 7696977 | Apparatus and method for driving display panel with temperature compensated driving voltage Provided is a method and an apparatus for driving a display panel with a temperature compensated driving voltage, which comprises a temperature sensor, a temperature section register, a comparing unit, a voltage register, a voltage controller and a driver. The compa... | 04/13/2010 |
| RE41191 | Color curve control circuit and method A color curve control circuit includes: a data input unit, for entering values for changing colors on the screen of a monitor; a microcomputer, for processing color signals corresponding to color temperature using stored color temperature data and a color curve cont... | 04/06/2010 |
| 7688304 | Liquid crystal display device and method of modifying image signals for the same A liquid crystal display (LCD) device comprises a liquid crystal panel assembly having pixels and thin film transistors, a sensor sensing temperature, a image signal modifying portion receiving image signals and the temperature, calculating a plurality of reference ... | 03/30/2010 |
| 7639229 | Liquid crystal display apparatus A liquid crystal display apparatus comprises a liquid crystal display panel, a temperature sensor which detects temperature of the liquid crystal display panel, and a controller which controls a voltage applied to the liquid crystal display panel. The controller set... | 12/29/2009 |
| 7639228 | Liquid crystal display device A moving image portion that indicates a moving object moving not less than a given movement amount and a still image portion other than the moving image portion are distinguished with respect to a video signal. Video display data for displaying the moving image port... | 12/29/2009 |
| 7598938 | Cooling apparatus of plasma display panel and method for stabilizing plasma display panel A cooling apparatus of a plasma display panel and a method for stabilizing the PDP to minimize the residual image on the display are disclosed. In particular, the present invention minimizes the residual image that is generated due to the degeneration of phosphors c... | 10/06/2009 |
| 7592995 | Liquid crystal display An emphasis converter 52 compares the image data of the current vertical period with the image data of the previous vertical period and controls the input image data to a liquid crystal display panel 4 based on the emphasis conversion parameters stored... | 09/22/2009 |
| 7492344 | Temperature sensor for liquid crystal display device A temperature sensing apparatus for a liquid crystal display device is disclosed. The apparatus can measure the device temperature without the existence of a conventional PN junction. The temperature sensing apparatus comprises at least one thin-film transistor (TFT... | 02/17/2009 |
| 7466300 | Display apparatus having temperature compensation function The invention provides a display apparatus having a temperature sensor and a step-up circuit generating a drive voltage of the display apparatus by stepping up a power source voltage. The temperature sensor provides temperature data indicative of the temperature of ... | 12/16/2008 |
| 7446749 | Method and apparatus for measuring response time of liquid crystal, and method and apparatus for driving liquid crystal display device using the same The method and apparatus for measuring response time of liquid crystal includes controlling temperature of a liquid crystal display panel, generating a liquid crystal driving signal having a variable voltage level that is changed according to a response property of ... | 11/04/2008 |
| 7439968 | Display device In a display device comprising a cooling suction fan and an air filter arranged on the suction side of the cooling suction fan, there are provided first means for measuring the value of a current flowing through a power supply line to the cooling suction fan for eac... | 10/21/2008 |
| 7427976 | Liquid crystal display The device includes: a write-gray scale level determining means (2), (3) for determining the write-gray scale level data for input image data that compensates the optical response characteristic of a liquid crystal display panel (4), in accordan... | 09/23/2008 |
| 7420538 | Liquid crystal display device and driving device thereof, and method for driving liquid crystal display device A liquid crystal display device of the present invention includes (i) a temperature sensor provided in at least one of pixels in a displaying area of a display panel, (ii) a lead line buried in the display panel, for transmitting a detection signal from the temperat... | 09/02/2008 |
| 7385582 | Temperature control and compensation method for microdisplay systems The present invention discloses the circuit configurations and control logic to monitor the temperature of the liquid crystal as directly as possible then render and pass this data to a processing unit. The control logic in the processor then issues corrections to t... | 06/10/2008 |
| 7375723 | Display device and method of compensating primary image data to increase a response speed of the display An image display device includes an image signal source unit to provide primary image data and selected compensation data to compensate the primary image data, and a display unit to display images using compensated image data obtained by compensating the primary ima... | 05/20/2008 |
| 7372447 | Microdisplay for portable communication systems The invention relates to a microdisplay system that utilizes a small high resolution active matrix liquid crystal display with an illumination system and a magnifying optical system to provide a hand held communication display device. The system can employ an LED il... | 05/13/2008 |
| 7372448 | Sensors and sensor circuits which convert sense currents to digital values A sensor circuit, e.g., a circuit for use with a sensor that develops a current responsive to temperature, includes a digital to analog (D/A) comparison circuit having an analog sense current input and a digital input, the D/A comparison circuit operative to compare... | 05/13/2008 |
| 7364304 | Projector control To automatically adjust the quality of a projection image commensurate with the performance in-time deterioration and aging of projector component parts in an image projection system, each projector detects an integrated service time of its own light-source lamp and... | 04/29/2008 |
| 7355574 | OLED display with aging and efficiency compensation Compensated drive circuit adjusting for changes in the threshold voltage of a drive transistor and for aging of an OLED device, comprising: a data line carrying analog data representative of the brightness level, and a select line; the drive transistor connected to ... | 04/08/2008 |
| 7345668 | Method of driving liquid crystal panel, liquid crystal device, and electronic apparatus A liquid crystal device is provided comprising: a liquid crystal panel displaying grayscale levels by applying a driving signal to a pair of electrodes having liquid crystal interposed therebetween and displaying white when voltage is applied, the driving signal hav... | 03/18/2008 |
